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Bio-signal quality assessment apparatus and bio-signal quality assessment method

A biological signal and quality evaluation technology, applied in medical equipment, character and pattern recognition, diagnostic recording/measurement, etc., can solve the problem of low quality evaluation of biological signals

Pending Publication Date: 2019-06-11
SAMSUNG ELECTRONICS CO LTD
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Problems solved by technology

[0005] In addition, there exists a method of evaluating the quality of the biosignal, in which the number of positive and negative values ​​of the alternating biosignal is counted based on the value of 0, and the biosignal is evaluated if there is a higher number of zero crossings. of low quality

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[0041] Exemplary embodiments are described in more detail below with reference to the accompanying drawings.

[0042] In the following description, the same drawing reference numerals are used for the same elements even in different drawings. Matters defined in the description, such as detailed structures and elements, are provided to assist in a comprehensive understanding of exemplary embodiments. It should be apparent, however, that exemplary embodiments may be practiced without those specifically defined matters. Also, well-known functions or constructions are not described in detail since they would obscure the description with unnecessary detail.

[0043] Process steps described herein may be performed out of the specific order unless clearly stated in the context of the present disclosure. That is, each step may be performed in a specific order, substantially simultaneously, or in reverse order.

[0044] In addition, terms used throughout this specification are defin...

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Abstract

The invention provides a bio-signal quality assessment apparatus and a bio-signal quality assessment method. The bio-signal quality assessment apparatus may include: a bio-signal obtainer configured to obtain a bio-signal; and a processor configured to extract periodic signals from the obtained bio-signal, and determine a signal quality index based on at least one of similarity between the extracted periodic signals and signal variability of the obtained bio-signal.

Description

[0001] This application claims Korean Patent Application No. 10-2017-0164562 filed with the Korean Intellectual Property Office on December 1, 2017 and Korean Patent Application No. 10-2018-0076515 filed with the Korean Intellectual Property Office on July 2, 2018 The priority of the patent application, the disclosure of said Korean patent application is hereby incorporated in its entirety. technical field [0002] Apparatuses and methods consistent with exemplary embodiments relate to evaluating the quality of biological signals acquired from a subject. Background technique [0003] When measuring or estimating biological information from a biological signal, the quality of the measured biological signal affects the reliability of the measured or estimated biological information. [0004] There is a way to evaluate based on the signal-to-noise ratio (SNR) by calculating the frequency spectrum of the biological signal, calculating the power (power) in the frequency range of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/0402A61B7/04A61B5/0205G06K9/62
CPCA61B5/7221A61B5/7246A61B7/00G16H40/63A61B5/02416A61B5/35A61B5/0205A61B5/02405A61B5/1102A61B7/04
Inventor 张大根权义根尹胜槿
Owner SAMSUNG ELECTRONICS CO LTD
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